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1128448608 = 253719312851
BaseRepresentation
bin100001101000010…
…1100001001100000
32220122101010110220
41003100230021200
54302340323413
6303550323040
736651440430
oct10320541140
92818333426
101128448608
11529a86161
12275ab9480
1314ca31791
14a9c262c0
1569105223
hex4342c260

1128448608 has 192 divisors, whose sum is σ = 3679764480. Its totient is φ = 295488000.

The previous prime is 1128448597. The next prime is 1128448619. The reversal of 1128448608 is 8068448211.

It is an interprime number because it is at equal distance from previous prime (1128448597) and next prime (1128448619).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1128448608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394383 + ... + 397233.

It is an arithmetic number, because the mean of its divisors is an integer number (19165440).

Almost surely, 21128448608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128448608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839882240).

1128448608 is an abundant number, since it is smaller than the sum of its proper divisors (2551315872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128448608 is a wasteful number, since it uses less digits than its factorization.

1128448608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 1128448608 is about 33592.3891380176. The cubic root of 1128448608 is about 1041.1035524632.

The spelling of 1128448608 in words is "one billion, one hundred twenty-eight million, four hundred forty-eight thousand, six hundred eight".